Goodwill and Intangible Assets - Summary of Company's Identifiable Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 66,519	$ 4,820
Accumulated Amortization	1,753	908
Intangibles, net	64,766	3,912
Customer relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,585	1,320
Accumulated Amortization	801	536
Intangibles, net	784	784
Acquired technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,410	3,410
Accumulated Amortization	533	358
Intangibles, net	2,877	3,052
In-Process Research and Development [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,404
Intangibles, net	25,404
Patent rights [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	36,120	90
Accumulated Amortization	419	14
Intangibles, net	$ 35,701	$ 76